Description

4H-1-Benzopyran-4-One, 8-Bromo-7-Hydroxy- is a specialized brominated and hydroxylated chromone derivative, a key scaffold in advanced organic synthesis. This high-purity intermediate is critical for researchers and manufacturers developing novel bioactive compounds, particularly in the pharmaceutical and agrochemical sectors. Its unique substitution pattern makes it a valuable building block for synthesizing potential drug candidates, fluorescent probes, and other fine chemicals requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel chromone-based drug candidates targeting various therapeutic areas.
• Agrochemical Research: Used in developing new active ingredients for crop protection products, leveraging its heterocyclic core.
• Material Science: Acts as a building block for organic semiconductors, OLED materials, and other functional organic materials due to its conjugated system.
• Chemical Biology: Employed in the design and synthesis of molecular probes and fluorescent tags for biological imaging and assay development.
• Academic & R&D: A valuable reagent for universities and contract research organizations (CROs) exploring new synthetic methodologies and structure-activity relationships (SAR).
• Fine Chemical Synthesis: Used in custom synthesis and contract manufacturing for producing complex, high-value specialty chemicals.

Basic Information

Product Name	4H-1-Benzopyran-4-One, 8-Bromo-7-Hydroxy-
CAS No.	1313728-35-6
Molecular Formula	C9H5BrO3
Molecular Weight	241.04 g/mol
Synonyms	8-Bromo-7-hydroxy-4H-chromen-4-one; 8-Bromo-7-hydroxy-4H-1-benzopyran-4-one; 7-Hydroxy-8-bromochromone; 8-Bromo-7-hydroxychromone; 8-Bromo-7-hydroxy-4-chromone; Bromohydroxychromone; 1313728-35-6
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for all our fine chemical intermediates. Production of 4H-1-Benzopyran-4-One, 8-Bromo-7-Hydroxy- follows current Good Manufacturing Practices (cGMP) where applicable, ensuring batch-to-batch consistency and traceability. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. Our quality management system is designed to meet the exacting standards of global pharmaceutical and research customers.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat and incompatible materials. Due to its light-sensitive nature, handling and packaging are performed under low-light conditions to preserve stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.